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Take fluoride supplements

Codes and Frequencies

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FLUORIDESUP indicates whether a person takes vitamins with fluoride or fluoride tablets, drops, or supplements. Please see the comparability tab for changes in the universe over time.

FLUORIDESUP is part of the Dental Health Supplement and is available since 1983. For related variables and more information about this supplement, please use the IPUMS NHIS search function and drop-down menus, or see FLUORIDEWHY.


Beginning in 1989, the question is asked only of children under age 18. The universe was further restricted in 1998 to sample children under age 18. Prior to 1989, adults were also asked about fluoride supplementation, although children under age 2 in 1983 and persons who had lost all of their teeth in 1986 were excluded from the universe.


  • 1983: Persons age 2+.
  • 1986: Persons who have not lost all their teeth.
  • 1989: Persons under age 18.
  • 1998: Sample children under age 18.


  • 1983, 1986, 1989, 1998